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Diffstat (limited to 'numpy/lib/tests')
| -rw-r--r-- | numpy/lib/tests/test_io.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_io.py b/numpy/lib/tests/test_io.py index 52b294c2b..49ad1ba5b 100644 --- a/numpy/lib/tests/test_io.py +++ b/numpy/lib/tests/test_io.py @@ -166,6 +166,13 @@ class RoundtripTest(object): a = np.array([(1, 2), (3, 4)], dtype=[('x', 'i4'), ('y', 'i4')]) self.check_roundtrips(a) + def test_format_2_0(self): + dt = [(("%d" % i) * 100, float) for i in range(500)] + a = np.ones(1000, dtype=dt) + with warnings.catch_warnings(record=True): + warnings.filterwarnings('always', '', UserWarning) + self.check_roundtrips(a) + class TestSaveLoad(RoundtripTest, TestCase): def roundtrip(self, *args, **kwargs): |